Oxygen Builder Disable Scrolling On Modal Open With Pure JS using MutationObserver

modal-open-disable-scroll.js

function DisableEvent(e) {
    e.preventDefault();
    e.stopPropagation();
    return false;
}
new MutationObserver(function(e) {
    let isMobile = window.innerWidth - document.body.offsetWidth < 10;

    if (e[0].target.classList.contains("live")) {
        if (isMobile)
            document.body.style.overflow = "hidden";
        else
            document.addEventListener("wheel", DisableEvent, {
                passive: false
            });
    } else {
        document.body.style.removeProperty("overflow");
        document.removeEventListener("wheel", DisableEvent, {
            passive: false
        });
    }
}).observe(document.querySelector("#%%ELEMENT_ID%%").parentNode, {
    attributes: true
});